DOI: 10.1016/j.jcou.2016.05.002
Scopus记录号: 2-s2.0-84973868639
论文题名: Synthesis of a novel hydrophobic polyurea gel from CO2 and amino-modified polysiloxane
作者: Ying Z. ; Zhang C. ; Jiang S. ; Wu Q. ; Zhang B. ; Yu Y. ; Lan M. ; Cheng H. ; Zhao F.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2016
卷: 15 语种: 英语
英文关键词: Absorption
; CO2
; Hydrophobic gel
; Polyurea
Scopus关键词: Absorption
; Acetone
; Carbon
; Hydrophobicity
; Nuclear magnetic resonance spectroscopy
; Organic pollutants
; Organic solvents
; Silicones
; Urea
; 1H-NMR spectra
; Amino-modified
; FT-IR spectrum
; NMR spectrum
; Polar solvents
; Polyureas
; Water contact angle
; Carbon dioxide
英文摘要: Graphical abstract: A kind of hydrophobic polyurea gel was synthesized by an isocyanate-free route via carbon dioxide and amino modified polysiloxane. The polyureas was hydrophobic and could absorb some organic solvents, and it is expected to have a promising application in the commercial removal of organic pollutants in water. Carbon dioxide, as a carbonyl source to replace the highly toxic isocyanate, was used to prepare a new type of polyurea with amino modified polysiloxane in this work. The formation of both the modified polysiloxane and polyureas were confirmed by FT-IR spectra, 1H NMR spectrum and 13C NMR spectrum. The thermo-stability, solubility as well as the hydrophilicity was examined; the polysiloxane could be soluble in several polar solvents like acetone, THF, ethanol and so on. The polyureas are stable at temperature lower than 150°C, and the synthesized polyureas are hydrophobic as they have a water contact angles larger than 90°. Moreover, the polyurea containing high urea linkage content presented excellent absorption for some organic solvents, such as C2H3Cl3, thus it is expected to have an application in removing organic pollutants on river. © 2016. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52899
Appears in Collections: 影响、适应和脆弱性
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Recommended Citation:
Ying Z.,Zhang C.,Jiang S.,et al. Synthesis of a novel hydrophobic polyurea gel from CO2 and amino-modified polysiloxane[J]. Journal of CO2 Utilization,2016-01-01,15